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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Immunoglobulin A
Test Code94945
CPT Codes
82784<br><strong>Non-Orderable Component</strong>
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 90 days
Refrigerated: 7 days
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly lipemic
Methodology
Immunoturbidimetric
Setup Schedule
Set up: Sun-Fri; Report available: 1-3 days
Reference Range
Age | (mg/dL) |
Cord blood | 1-3 |
1-28 days | 2-40 |
1-3 months | 3-40 |
4-6 months | 7-47 |
7-11 months | 12-53 |
1 year | 20-73 |
2 years | 20-99 |
3-5 years | 22-140 |
6-8 years | 31-180 |
9-11 years | 33-220 |
12-16 years | 36-220 |
17-60 years | 47-310 |
≥16 years | 70-320 |
Clinical Significance
Increased IgA is associated with monoclonal IgA myeloma, respiratory and gastrointestinal infections, and malabsorption; decreased IgA is found in selective IgA deficiency and in ataxia telangiectasia.